"Great decisions are made during pillow talk, so we are asking the two ladies at that intimate moment to ask their husbands: 'Darling can you do something for Kenya?
Sometimes by raping a fellow prisoner, that person can make even the warders fear them." He added that this was the case with himself - although he denies he has actually been a rapist himself. "I might look small to you, but I am strong - very strong. "I can rape, I can do whatever I want to anybody, and no-one will dare question me.
Women's activist groups in Kenya have slapped their partners with a week-long sex ban in protest over the infighting plaguing the national unity government.
She said the campaign would start from her bedroom and that emissaries had been sent to the two leaders' wives, Ida Odinga and Lucy Kibaki, urging them to join in and lead from the front.
"Even commercial sex workers should join in the campaign which is so vital to the country," Mrs Nyaundi told the BBC's Focus on Africa programme.
Mr Kibaki and Mr Odinga agreed to share power last year to end post-election violence, which had left some 1,500 people dead and forced 300,000 from their homes.
But the deal has soured with the premier's party claiming he has been sidelined and protesting over everything from electoral reform to the lack of a toilet for Mr Odinga during one recent official visit.
They say they want to avoid a repeat of the violence which convulsed the country after the late-2007 elections.
Relations between Kenya's coalition partners, led by President Mwai Kibaki and Prime Minister Raila Odinga, have become increasingly acrimonious.
But many think that in jail there is protection around the clock, not knowing that prison may be more dangerous than the life they left behind.